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Cheap flights from Portland to Cambodia from $993

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Cambodia departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
6:19 am - 9:40 am
PDX
-
SAI
37h 21m
2 stops
Singapore Airlines Logo
10:30 am - 9:25 am
SAI
-
PDX
36h 55m
2 stops
$993Singapore Airlines
Thu, Aug 6 - Mon, Aug 31
Multiple Airlines Logo
9:30 pm - 6:20 pm
PDX
-
SAI
30h 50m
3 stops
Multiple Airlines Logo
9:40 am - 8:48 pm
SAI
-
PDX
25h 08m
3 stops
$1,211Multiple Airlines
Thu, Aug 6 - Mon, Aug 31
Singapore Airlines Logo
7:00 am - 9:40 am
PDX
-
SAI
36h 40m
3 stops
Singapore Airlines Logo
10:30 am - 9:25 am
SAI
-
PDX
36h 55m
2 stops
$1,242Singapore Airlines
Thu, Aug 6 - Mon, Aug 31
British Airways Logo
7:30 pm - 10:00 am
PDX
-
PNH
48h 30m
3 stops
British Airways Logo
6:20 pm - 12:58 am
PNH
-
PDX
44h 38m
3 stops
$2,609British Airways
Fri, Jul 24 - Mon, Aug 10
British Airways Logo
7:30 pm - 10:00 am
PDX
-
PNH
48h 30m
2 stops
British Airways Logo
6:20 pm - 12:58 am
PNH
-
PDX
44h 38m
3 stops
$2,655British Airways
Fri, Jul 24 - Mon, Aug 10
British Airways Logo
7:30 pm - 10:00 am
PDX
-
PNH
48h 30m
2 stops
British Airways Logo
6:20 pm - 5:40 pm
PNH
-
PDX
37h 20m
2 stops
$2,828British Airways
Fri, Jul 24 - Mon, Aug 10
British Airways Logo
7:30 pm - 10:00 am
PDX
-
PNH
48h 30m
2 stops
British Airways Logo
6:20 pm - 5:40 pm
PNH
-
PDX
37h 20m
2 stops
$3,743British Airways
Fri, Jul 24 - Mon, Aug 10

British Airways flights from Portland to Cambodia

Our best British Airways deals on Portland to Cambodia flight tickets
British Airways
Jul 24
PDX7:30 pmPortland
48h 30m
3 stops
PNH10:00 amPhnom Penh Pochentong
Aug 10
PNH6:20 pmPhnom Penh Pochentong
44h 38m
3 stops
PDX12:58 amPortland
$2,609
British Airways
Jul 24
PDX7:30 pmPortland
48h 30m
2 stops
PNH10:00 amPhnom Penh Pochentong
Aug 10
PNH6:20 pmPhnom Penh Pochentong
44h 38m
3 stops
PDX12:58 amPortland
$2,655
British Airways
Jul 24
PDX7:30 pmPortland
48h 30m
2 stops
PNH10:00 amPhnom Penh Pochentong
Aug 10
PNH6:20 pmPhnom Penh Pochentong
37h 20m
2 stops
PDX5:40 pmPortland
$2,828

Singapore Airlines flights from Portland to Cambodia

Our best Singapore Airlines deals on Portland to Cambodia flight tickets
Singapore Airlines
Aug 6
PDX6:19 amPortland
37h 21m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
Aug 31
SAI10:30 amSiem Reap–Angkor Intl
36h 55m
2 stops
PDX9:25 amPortland
$993
Singapore Airlines
Aug 6
PDX7:00 amPortland
36h 40m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Aug 31
SAI10:30 amSiem Reap–Angkor Intl
36h 55m
2 stops
PDX9:25 amPortland
$1,242

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Cambodia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Portland to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Thu 8/6

6:19 am-9:40 am

2 stops37h 21m

Siem Reap–Angkor Intl

Mon 8/31

10:30 am-9:25 am

2 stops36h 55m

$993
Quickest round-trip

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Thu 8/6

9:30 pm-6:20 pm

3 stops30h 50m

Siem Reap–Angkor Intl

Mon 8/31

9:40 am-8:48 pm

3 stops25h 08m

$1,211

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Thu 8/6

7:00 am-9:40 am

3 stops36h 40m

Siem Reap–Angkor Intl

Mon 8/31

10:30 am-9:25 am

2 stops36h 55m

$1,242

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Fri 7/24

7:30 pm-10:00 am

3 stops48h 30m

Phnom Penh Pochentong

Mon 8/10

6:20 pm-12:58 am

3 stops44h 38m

$2,609

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Fri 7/24

7:30 pm-10:00 am

2 stops48h 30m

Phnom Penh Pochentong

Mon 8/10

6:20 pm-12:58 am

3 stops44h 38m

$2,655

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Fri 7/24

7:30 pm-10:00 am

2 stops48h 30m

Phnom Penh Pochentong

Mon 8/10

6:20 pm-5:40 pm

2 stops37h 20m

$2,828

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Fri 7/24

7:30 pm-10:00 am

2 stops48h 30m

Phnom Penh Pochentong

Mon 8/10

6:20 pm-5:40 pm

2 stops37h 20m

$3,743
Cheapest one-way
Quickest one-way

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Tue 7/21

7:30 pm-10:00 am

2 stops48h 30m

$6,736

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Tue 7/21

7:30 pm-10:00 am

3 stops48h 30m

$6,924

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Cambodia from

How to get the cheapest flight ticket from Portland to Cambodia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Cambodia?

EVA Air, China Eastern and Delta are the top three most popular airlines that fly to Cambodia from Portland according to our data. EVA Air is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Cambodia. Keep in mind that there are 3 different airlines that fly to Cambodia on a routine basis, so you have a few additional options to choose from.

Cheap Portland to Cambodia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Cambodia

Fastest flight time

27h 26m

Direct flights

None
The fastest flight from Portland to Cambodia takes 27h 26m
There are no direct flights from Portland to Cambodia. There are no popular flight routes from Portland to Cambodia.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Cambodia?

    Prices for flights from Portland Airport to Cambodia were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Cambodia?

  • How old do you have to be to fly from Portland Airport to Cambodia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Cambodia.

  • What documentation or ID do you need to fly to Cambodia?

    The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland to Cambodia

Compare and see reviews for airlines that fly from Portland to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom $790Free CancellationRating
7.2
198 reviews
Search China Eastern flights
DeltaPriceFrom $819Free CancellationRating
7.9
8,276 reviews
Search Delta flights
EVA AirPriceFrom $1,128Free CancellationRating
8.4
1,370 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Cambodia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Cambodia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Cambodia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cambodia from Portland with this policy.

How can momondo help me find flights from Portland to Cambodia?

momondo provides multiple filters to help you find the best flight to Cambodia from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Cambodia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Cambodia from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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